Color

#233a67

#233a67
hex#233a67
rgbrgb(35, 58, 103)
hslhsl(220, 49%, 27%)
oklchoklch(0.354 0.084 262.5)
Closest name: Aegean Blue (#1b416f)Relative luminance 0.0436

Colors that go with #233a67

Blue, Blush Pink and Cadet Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#675023

#235b67 · #2e2367

#67233a · #3a6723

Split-complementary

Open in tool →

#672e23 · #5b6723

#67235b · #675023 · #23672e

Contrast

#233a67 as textRatioAAAA largeAAAFix
Aaon white
11.21:1passpasspassPasses AAA — no fix needed.
Aaon black
1.87:1failfailfail
  • AA: use #4c74c2 as the text (4.58:1)
  • AAA: use #7a97d1 as the text (7.17:1)
  • AA: or shift the background to #a6a6a6 (4.61:1)
  • AAA: or shift the background to #cfcfcf (7.2:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #233a67 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#233a67 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #233a67
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #233a67 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/233a67-9ca5c4-df694e-211f2d-e9f0f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md